public interface  org.finos.legend.engine.protocol.pure.v.model.packageableElement.persistence.persister.validitymilestoning.derivation.ValidityDerivationVisitor extends java.lang.Object
{
public abstract java.lang.Object visit(org.finos.legend.engine.protocol.pure.v.model.packageableElement.persistence.persister.validitymilestoning.derivation.SourceSpecifiesFromDateTime);
public abstract java.lang.Object visit(org.finos.legend.engine.protocol.pure.v.model.packageableElement.persistence.persister.validitymilestoning.derivation.SourceSpecifiesFromAndThruDateTime);
}